body {
    font-family: Arial, sans-serif;
    max-width: 800px;
    margin: 0 auto;
    padding: 20px;
    text-align: center;
}

h1 {
    color: #333;
}

.botones-container {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 10px;
    margin-top: 30px;
}

.boton-red {
    padding: 15px;
    background-color: #4CAF50;
    color: white;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    font-size: 16px;
    transition: background-color 0.3s;
}

.boton-red:hover {
    background-color: #45a049;
}

#mensaje {
    margin-top: 20px;
    font-weight: bold;
    min-height: 24px;
}